Studies of pulsus alternans in man by means of the pressure-gradient technique.
D000328:Adult; D001013:Aorta, Thoracic / Q000503:physiopathology; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D001794:Blood Pressure; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011674:Pulse; D012039:Regional Blood Flow; D013610:Tachycardia / Q000503:physiopathology; D014636:Valsalva Maneuver